hey,
my body weight is: 158lb, 5.75ft
Here is my bi's workout
4*6-10 with 40lb, in between I do 21's with 17lb
3*40lb--->35lb concentration curls
3*40lb hammer curls, in between I do 10 raps with 17lb
spider curls, 3*25lb.
I do this twice a week.
my biceps remain 15''
Why do you recommend I...